package com.aaa.controller;

import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.common.utils.BinaryUtil;
import com.aliyun.oss.model.MatchMode;
import com.aliyun.oss.model.PolicyConditions;
import org.springframework.web.bind.annotation.CrossOrigin;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.LinkedHashMap;
import java.util.Map;

/**
 * 上传图片到云服务
 */
@CrossOrigin
@RestController
@RequestMapping("check/api/")
public class OSSController {
    @GetMapping("check/add")
    public Map<String,String> policy() {
        String accessId = "LTAI5tEXcJL7o6oDVdPZA81q";
        String accessKey = "WD0Cs7X8crN1sIHxHOfMb9LltVbzvL";
        String endpoint = "oss-cn-beijing.aliyuncs.com";
         // 填写Bucket名称，例如examplebucket。
        String bucketName = "hospital-zfq";
        String host="http://"+bucketName+"."+endpoint;
        SimpleDateFormat simpleDateFormat =new SimpleDateFormat("yyyy-MM-dd");
        String s = simpleDateFormat.format(new Date());
        String dir="zzz/"+s+"/";

        OSS ossClient = new OSSClientBuilder().build(endpoint, accessId, accessKey);
        try {
            long expireTime = 30;
            long expireEndTime = System.currentTimeMillis() + expireTime * 1000;
            Date expiration = new Date(expireEndTime);
            PolicyConditions policyConds = new PolicyConditions();
            policyConds.addConditionItem(PolicyConditions.COND_CONTENT_LENGTH_RANGE, 0, 1048576000);
            policyConds.addConditionItem(MatchMode.StartWith, PolicyConditions.COND_KEY, dir);

            String postPolicy = ossClient.generatePostPolicy(expiration, policyConds);
            byte[] binaryData = postPolicy.getBytes("utf-8");
            String encodedPolicy = BinaryUtil.toBase64String(binaryData);
            String postSignature = ossClient.calculatePostSignature(postPolicy);

            Map<String, String> respMap = new LinkedHashMap<String, String>();
            respMap.put("accessId", accessId);
            respMap.put("policy", encodedPolicy);
            respMap.put("signature", postSignature);
            respMap.put("dir", dir);
            respMap.put("host", host);
            respMap.put("expire", String.valueOf(expireEndTime / 1000));
            // respMap.put("expire", formatISO8601Date(expiration));
            return respMap;
        } catch (Exception e) {
            // Assert.fail(e.getMessage());
            System.out.println(e.getMessage());
    }
        return null;
}









}

